| # REQUIRES: x86 |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t |
| |
| # Empty SECTIONS command. |
| # RUN: echo "SECTIONS {}" > %t.script |
| # RUN: ld.lld -o %t1 --script %t.script %t |
| # RUN: llvm-objdump -section-headers %t1 | \ |
| # RUN: FileCheck -check-prefix=SEC-DEFAULT %s |
| |
| # SECTIONS command with the same order as default. |
| # RUN: echo "SECTIONS { \ |
| # RUN: .text : { *(.text) } \ |
| # RUN: .data : { *(.data) } }" > %t.script |
| # RUN: ld.lld -o %t2 --script %t.script %t |
| # RUN: llvm-objdump -section-headers %t2 | \ |
| # RUN: FileCheck -check-prefix=SEC-DEFAULT %s |
| |
| # Idx Name Size |
| # SEC-DEFAULT: 1 .text 0000000e {{[0-9a-f]*}} TEXT |
| # SEC-DEFAULT: 2 .data 00000020 {{[0-9a-f]*}} DATA |
| # SEC-DEFAULT: 3 other 00000003 {{[0-9a-f]*}} DATA |
| # SEC-DEFAULT: 4 .bss 00000002 {{[0-9a-f]*}} BSS |
| # SEC-DEFAULT: 5 .comment 00000008 {{[0-9a-f]*}} |
| # SEC-DEFAULT: 6 .symtab 00000030 {{[0-9a-f]*}} |
| # SEC-DEFAULT: 7 .shstrtab 0000003b {{[0-9a-f]*}} |
| # SEC-DEFAULT: 8 .strtab 00000008 {{[0-9a-f]*}} |
| |
| # Sections are put in order specified in linker script, other than alloc |
| # sections going first. |
| # RUN: echo "SECTIONS { \ |
| # RUN: .bss : { *(.bss) } \ |
| # RUN: other : { *(other) } \ |
| # RUN: .shstrtab : { *(.shstrtab) } \ |
| # RUN: .symtab : { *(.symtab) } \ |
| # RUN: .strtab : { *(.strtab) } \ |
| # RUN: .data : { *(.data) } \ |
| # RUN: .text : { *(.text) } }" > %t.script |
| # RUN: ld.lld -o %t3 --script %t.script %t |
| # RUN: llvm-objdump -section-headers %t3 | \ |
| # RUN: FileCheck -check-prefix=SEC-ORDER %s |
| |
| # Idx Name Size |
| # SEC-ORDER: 1 .bss 00000002 {{[0-9a-f]*}} BSS |
| # SEC-ORDER: 2 other 00000003 {{[0-9a-f]*}} DATA |
| # SEC-ORDER: 3 .shstrtab 0000003b {{[0-9a-f]*}} |
| # SEC-ORDER: 4 .symtab 00000030 {{[0-9a-f]*}} |
| # SEC-ORDER: 5 .strtab 00000008 {{[0-9a-f]*}} |
| # SEC-ORDER: 6 .comment 00000008 {{[0-9a-f]*}} |
| # SEC-ORDER: 7 .data 00000020 {{[0-9a-f]*}} DATA |
| # SEC-ORDER: 8 .text 0000000e {{[0-9a-f]*}} TEXT |
| |
| # .text and .data have swapped names but proper sizes and types. |
| # RUN: echo "SECTIONS { \ |
| # RUN: .data : { *(.text) } \ |
| # RUN: .text : { *(.data) } }" > %t.script |
| # RUN: ld.lld -o %t4 --script %t.script %t |
| # RUN: llvm-objdump -section-headers %t4 | \ |
| # RUN: FileCheck -check-prefix=SEC-SWAP-NAMES %s |
| |
| # Idx Name Size |
| # SEC-SWAP-NAMES: 1 .data 0000000e {{[0-9a-f]*}} TEXT |
| # SEC-SWAP-NAMES: 2 .text 00000020 {{[0-9a-f]*}} DATA |
| # SEC-SWAP-NAMES: 3 other 00000003 {{[0-9a-f]*}} DATA |
| # SEC-SWAP-NAMES: 4 .bss 00000002 {{[0-9a-f]*}} BSS |
| # SEC-SWAP-NAMES: 5 .comment 00000008 {{[0-9a-f]*}} |
| # SEC-SWAP-NAMES: 6 .symtab 00000030 {{[0-9a-f]*}} |
| # SEC-SWAP-NAMES: 7 .shstrtab 0000003b {{[0-9a-f]*}} |
| # SEC-SWAP-NAMES: 8 .strtab 00000008 {{[0-9a-f]*}} |
| |
| # Multiple SECTIONS command specifying additional input section descriptions |
| # for the same output section description - input sections are merged into |
| # one output section. |
| # RUN: echo "SECTIONS { \ |
| # RUN: .text : { *(.text) } \ |
| # RUN: .data : { *(.data) } } \ |
| # RUN: SECTIONS { \ |
| # RUN: .data : { *(other) } }" > %t.script |
| # RUN: ld.lld -o %t6 --script %t.script %t |
| # RUN: llvm-objdump -section-headers %t6 | \ |
| # RUN: FileCheck -check-prefix=SEC-MULTI %s |
| |
| # Idx Name Size |
| # SEC-MULTI: 1 .text 0000000e {{[0-9a-f]*}} TEXT |
| # SEC-MULTI-NEXT: .data 00000020 {{[0-9a-f]*}} DATA |
| # SEC-MULTI-NEXT: .data 00000003 {{[0-9a-f]*}} DATA |
| # SEC-MULTI-NEXT: .bss 00000002 {{[0-9a-f]*}} BSS |
| # SEC-MULTI-NEXT: .comment 00000008 {{[0-9a-f]*}} |
| # SEC-MULTI-NEXT: .symtab 00000030 {{[0-9a-f]*}} |
| # SEC-MULTI-NEXT: .shstrtab 00000035 {{[0-9a-f]*}} |
| # SEC-MULTI-NEXT: .strtab 00000008 {{[0-9a-f]*}} |
| |
| # Input section pattern contains additional semicolon. |
| # Case found in linux kernel script. Check we are able to parse it. |
| # RUN: echo "SECTIONS { .text : { ;;*(.text);;S = 0;; } }" > %t.script |
| # RUN: ld.lld -o /dev/null --script %t.script %t |
| |
| .globl _start |
| _start: |
| mov $60, %rax |
| mov $42, %rdi |
| |
| .section .data,"aw" |
| .quad 10, 10, 20, 20 |
| .section other,"aw" |
| .short 10 |
| .byte 20 |
| .section .bss,"",@nobits |
| .short 0 |